Multilayer ceramic capacitor

A technology of ceramic capacitors and laminates, which is applied in the direction of laminated capacitors, capacitors, fixed capacitors, etc., can solve the problems of moisture resistance decline, base electrode layer cracks, etc., and achieve the effect of improving moisture resistance

Pending Publication Date: 2022-04-12
MURATA MFG CO LTD
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, during the plating process, the glass component is eluted from the base electrode layer due to the influence of

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multilayer ceramic capacitor
  • Multilayer ceramic capacitor
  • Multilayer ceramic capacitor

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0055] Hereinafter, a laminated ceramic capacitor 1 according to an embodiment of the present invention will be described. figure 1 It is a schematic perspective view of the laminated ceramic capacitor 1 of the embodiment. figure 2 Yes figure 1 The laminated ceramic capacitor 1 is cross-sectional view along the II-II line. image 3 Yes figure 1 The laminated ceramic capacitor 1 is cross-sectional view along the III-III line.

[0056] The laminated ceramic capacitor 1 is a substantially rectangular square shape, and has a laminated body 2 and a pair of external electrodes 3 disposed at both ends of the laminate 2. The laminate 2 includes an inner layer portion 11, and the inner layer portion 11 includes a plurality of dielectric layer 14 and an internal electrode layer 15.

[0057] In the following description, as a term indicating the orientation of the laminated ceramic capacitor 1, in the laminated ceramic capacitor 1, the direction of the pair of outer electrodes 3 is provided a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Login to view more

Abstract

The invention provides a multilayer ceramic capacitor with improved moisture resistance. This laminated ceramic capacitor (1) is provided with: a laminated body (2) in which dielectric layers (14) and internal electrode layers (15) are alternately laminated; base electrode layers (30) that are respectively disposed on both end surfaces of the laminate (2) in the longitudinal direction (L) intersecting the lamination direction (T), are connected to the internal electrode layers (15), and contain glass and copper; and a plating layer (31) disposed on the outside of the base electrode layer (30), in which a protective layer (33) containing sulfur is formed between the glass included in the base electrode layer (30) and the plating layer (31).

Description

technical field [0001] The present invention relates to laminated ceramic capacitors. Background technique [0002] Conventionally, a laminated ceramic capacitor having external electrodes provided at both ends of a laminate in which side spacers are provided on both sides of a laminate chip on which an internal electrode layer and a dielectric layer are laminated (refer to Patent Literature 1). [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Laid-Open No. 2018-148117 [0006] In some cases, the external electrode includes a base electrode layer and includes a plating layer on the outside thereof, and the base electrode layer includes glass. In this case, during the plating process, the glass component is eluted from the base electrode layer due to the influence of the plating solution. As a result, cracks may occur in the base electrode layer, and moisture resistance may decrease. Contents of the invention [0007] ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H01G4/008H01G4/232H01G4/12H01G4/30
CPCH01G4/2325H01G4/30H01G4/224H01G4/0085H01G4/1218H01G4/1209H01G4/232H01G4/012H01G4/008H01G4/1227
Inventor 北原庆汰齐藤雄太大川纪行赤泽亮介高桥武文若岛诚宽黑须勇太森昭人
Owner MURATA MFG CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap